Boholo ba ketsahalo ea ho tjheseletsa deformation e bakoa ke asymmetry ea mocheso o hlahisoang ke welding le ho atolosoa ho bakoang ke mocheso o fapaneng. Joale re hlophisitse mekhoa e 'maloa ea ho thibela deformation ea welding ka tsela e latelang bakeng sa litšupiso:
1. Fokotsa sebaka sa marang-rang sa weld 'me u sebelise boholo bo fokolang ba bevel (angle le lekhalo) ka hohle kamoo ho ka khonehang ha u ntse u fumana sekoli se feletseng le ho se na ho feta tekanyo.
2. Sebelisa mokhoa oa ho tjheseletsa ka ho kenya mocheso o monyenyane. Tse kang: CO2 khase e sireletsang welding.
3. Sebelisa tjheseletso e nang le mekato e mengata ho e-na le ho tjheseletsa ka lera le le leng ha ho khoneha ha ho khoneha ha ho tjheseletsa lipoleiti tse teteaneng.
4. Ha litlhoko tsa moralo li finyelloa, ho tjheseletsa ha likhopo tsa longitudinal tse matlafatsang le likhopo tse matlafatsang ho ka etsoa ka ho cheselletsa nako le nako.
5.Ha mahlakoreng ka bobeli a ka ts'oaroa, ho lokela ho sebelisoa li-bevel tse nang le mahlakore a mabeli a mahlakoreng a mabeli, 'me tatellano ea welding e lumellanang le likarolo tse sa nke lehlakore le tsa axial e lokela ho sebelisoa nakong ea li-welding tse ngata.
6. Ha poleiti e kopantsoeng e nang le sebopeho sa T e le motenya, ho sebelisoa li-welds tse bulehileng tsa bevel angle butt.
7. Sebelisa mokhoa o khahlanong le deformation pele ho tjheseletsa ho laola ho senyeha ha angular ka mor'a ho tjheseletsa.
8. Sebelisa fixture fixture ho laola deformation post-weld.
9. Sebelisa mokhoa o boloketsoeng oa bolelele ba karolo ho lefella shrinkage ea longitudinal le deformation ea weld. Ka mohlala, 0.5 ~ 0.7 limilimithara e ka bolokeha ka mithara ea H-shaped longitudinal weld.
10. Bakeng sa ho sotha litho tse telele. Haholo-holo e itšetlehile ka ho ntlafatsa ho bata ha boto le ho nepahala ha kopano ea likarolo ho etsa hore angle ea bevel le tumello e nepahale. Tataiso kapa setsi sa arc se nepahetse e le hore deformation ea weld angle le boleng ba deformation ea longitudinal ea lepheo le webo e tsamaellane le tataiso ea bolelele ba karolo.
11. Ha ho tjheseletsa kapa ho kenya likarolo tse nang le li-welds tse ngata, ho lokela ho amoheloa tatellano e utloahalang ea welding.
12. Ha u cheseletsa lipoleiti tse tšesaane, sebelisa welding ka metsing. Ke hore, letamo le entsoeng ka ho qhibilihisoa le pota-potiloe ke khase e sireletsang ka metsing, 'me metsi a haufi a tlosoa ka ho feletseng ho tloha khase ho etsa bonnete ba hore welding e etsoa ka tloaelo. Ka ho sebelisa mokhoa ona, tšepe e pota-potileng letamo le tiileng la ho qhibiliha e pholile ka metsi ka nako, 'me tekanyo ea deformation e laoloa ho isa tekanyong e nyenyane haholo (se pholisang se potolohang se eketsoa ka lehlakoreng la tjheseletsa ho tlosa mocheso o hlahisoang ke welding).
13. Multi-stage symmetrical welding, ke hore, ho tjheseletsa karolo e le 'ngoe, emisa nakoana, ho tjheseletsa ka lehlakoreng le leng, emisa nakoana.
Nako ea poso: Mar-10-2025